Breathing pipe for vacuum pump

The utility model discloses a breathing pipe for vacuum pump, including the breathing pipe body, breathing pipe body inner chamber wall is opened there is the draw -in groove, draw -in groove inner chamber fixed mounting has the mount, mount inner chamber fixed mounting has the amortization to be stained with cloth, cloth upper end fixed mounting is stained with in the amortization has the go -between, go -between upper end fixed mounting has the filter, filter outer end fixed mounting has the connecting block, connecting block outer end fixed mounting has the card, card lower extreme fixed mounting has the runner band piece, terminal surface fixed mounting has the inserted bar under the runner band piece, open on breathing pipe body inner chamber wall upper portion has the screens cavity,open in the screens inner cavity of cavity bottom outside has the slot, open in the screens cavity bottom outside has the installation cavity, can effectively fall the noise that produces when roughvacuum pump breathes in, c